Quantum DAT 24 Drive Guía de usuario descargar pdf (Pagina 3)

Part Number 50000697

June 2003, Rev.B

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1 2 3 4 5 6 7 8 ... 180 181

Contents 5
Commands 34 6
Introduction 13
SCSI Interface Description 14
Signal Descriptions 15
Command Set Description 16
General features 17
SCSI Bus Protocol 18
Waiting and Control Phases 19
Figure 2-1 20
Figure 2-2 20
Select With Attention 22
Identify Message 22
Information Transfer Phases 23
Figure 2-4 24
Synchronous Data Transfer 25
Command Phase 26
Data Phase 27
Status Phase 27
Message Phase 27
Command Descriptor Block 28
Logical Unit Support 29
Attention Condition 36
Reset Condition 36
Unit Attention Condition 36
Buffered Mode 37
Immediate Function 37
Residual Length Function 37
SCSI Memory Address Pointers 39
Early Warning Function 39
Error Reporting 40
Autoloader Operation 41
General Operation 43
Loading and Initialization 43
Front Panel Operation 44
Cassette Selection 44
Automatic Loading Mode 44
Magazine Ejection 45
Stray Tape Recovery 45
Commands 46
Conventions 47
ERASE (19h) 49
INQUIRY (12h) 53
Standard INQUIRY Data Format 54
LOAD/UNLOAD (1Bh) 57
LOCATE (2Bh) 59
LOCATE and the BT Bit 60
LOG SELECT (4Ch) 62
Use of the PC Bits 63
LOG SELECT Parameter Data 64
LOG SENSE (4Dh) 69
Using Page Control Bits 71
Log Sense Pages 72
Page Header 73
MODE SELECT (15h) 85
MODE SELECT Parameters 86
Completion Status 100
MODE SENSE (1Ah) 101
MODE SENSE Parameters 103
Mode Page Format 105
READ (08h) 117
READ BLOCK LIMITS (05h) 122
READ DATA BUFFER (3Ch) 124
READ DATA BUFFER Header 125
Element Status Data 126
Element Status Data Header 127
READ POSITION (34h) 131
READ POSITION Data Format 132
RELEASE UNIT (17h / 57h) 138
REPORT DENSITY SUPPORT (44h) 140
REQUEST BLOCK ADDRESS (02h) 143
REQUEST SENSE (03h) 145
Definition of Sense Keys 147
RESERVE UNIT (16h / 56h) 158
REWIND (01h) 161
SEEK BLOCK (0Ch) 162
SEND DIAGNOSTIC (1Dh) 164
SPACE (11h) 166
Space-by-Count Functions 167
Space and the RSMK Bit 168
TEST UNIT READY (00h) 170
VERIFY (13h) 172
WRITE (0Ah) 174
WRITE DATA BUFFER (3Bh) 176
WRITE FILEMARKS (10h) 179

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Quantum DAT 24 Drive Guía de usuario Pagina 3

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